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. 2019 Jul 17;12(7):1052–1059. doi: 10.14202/vetworld.2019.1052-1059

Table 6.

Logarithmic bacterial counts (total bacterial and Enterobacteriaceae counts Mean±SE) in broilers exposed to lighting regimens using different lighting colors and durations.

Light color Photo-period L: Dhour Log. TBC CFU/mL Log. TEC CFU/mL
Red 5.25a±0.022 2.22a±0.022
Blue 3.81c±0.013 0.85c±0.044
White 4.37b±0.011 1.31b±0.025
p-value 0.000 0.000

Light’s color X lighting program

Red
C-23:1 5.23c±0.041 2.06c±0.029
C-18:6 5.25b±0.038 2.18b±0.021
I-16:8 5.26a±0.036 2.43a±0.012
Blue
C-23:1 3.71c±0.015 0.51c±0.064
C-18:6 3.80b±0.012 0.79b±0.038
I-16:8 3.94a±0.009 1.27a±0.011
White
C-23:1 4.30c±0.019 1.20c±0.049
C-18:6 4.36b±0.016 1.31b±0.038
I-16:8 4.44a±0.014 1.43a±0.029
p-value 0.004 0.000

Means carrying different superscripts in the same column are significantly different at p≤0.05 or highly significantly different at p<0.01. Means carrying the same superscripts in the same column are non-significantly different at p<0.05. L=Light hours, D=Dark hours, C=Continuous, I=Intermittent, TBC=Total bacterial count, TEC=Total Enterobacteriaceae count, SE=Standard error